Moving Electrodes Prevent Tissue Arcing in Electrical Therapy
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electrical therapy methods using electrodes within tissue face challenges such as undesirable tissue modification, including arcing, due to changing tissue impedance, especially when applying high-voltage or high-power energy, which can lead to uncontrolled electrical discharges and prolonged treatment times.
Innovation Solution
The use of electrodes that move within the tissue, such as through rotation, oscillation, vibration, or translation, during energy application to prevent or minimize arcing by reducing electrical inhomogeneities and maintaining uniform energy delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If high-voltage or high-power electrical energy is applied to tissue through a stationary electrode, then treatment effectiveness is improved, but tissue impedance changes cause uncontrolled electrical discharge (arcing)
Solution Approach 1:
The electrode is made movable rather than stationary, allowing it to be repositioned within the tissue during treatment. This dynamic positioning prevents localized tissue impedance changes from causing uncontrolled arcing, while maintaining effective high-power energy delivery to the target tissue.
Solution Approach 2:
The electrode incorporates vibration or oscillation capability that mechanically disturbs the surrounding tissue during energy application. This prevents stable arc formation by continuously changing the electrode-tissue interface, enabling reliable high-power delivery without uncontrolled discharge.
2Productivity
If electrical energy is applied to tissue, then treatment dosing is improved, but treatment time is prolonged due to monitoring and energy limitation
Solution Approach 1:
The movable electrode enables continuous treatment delivery by preventing arc-induced interruptions. Instead of pausing to monitor and adjust for arcing, the system maintains steady energy delivery, reducing total treatment time while improving dosing efficiency.
Solution Approach 2:
The electrode movement mechanism ensures continuous useful action by preventing treatment interruptions. The electrode can be repositioned or vibrated to maintain optimal energy delivery conditions throughout the treatment, eliminating downtime associated with arc management.
3Speed
If high-voltage pulses are applied rapidly, then treatment effectiveness is improved, but arcing between applicators increases
Solution Approach 1:
Rapid vibration or oscillation of the electrode during high-voltage pulse application prevents arc formation between multiple applicators. The mechanical disturbance disrupts stable electrical breakdown paths, enabling rapid pulsing without increased arcing hazards.
Solution Approach 2:
The dynamic repositioning capability allows the electrode to adapt its position between rapid pulses, preventing consistent arc paths from forming between applicators. This enables high-speed pulsing while minimizing harmful arcing effects.
Data Source
AI summary
Electrodes that are configured to apply energy within the tissue while moving relative to the tissue. The apparatuses (devices, assemblies, systems) described herein may be configured with one or more electrodes that may move slightly in oscillatory movement and/or rotation relative to the tissue. The apparatuses described herein may be used to apply energy to a patient while minimizing or preventing the unintended modification of the tissue adjacent to the electrode, such as by arcing.